FI129359B - Diffractive grating - Google Patents
Diffractive grating Download PDFInfo
- Publication number
- FI129359B FI129359B FI20185294A FI20185294A FI129359B FI 129359 B FI129359 B FI 129359B FI 20185294 A FI20185294 A FI 20185294A FI 20185294 A FI20185294 A FI 20185294A FI 129359 B FI129359 B FI 129359B
- Authority
- FI
- Finland
- Prior art keywords
- waveguide
- grating
- different
- stack
- wavelengths
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000006185 dispersion Substances 0.000 claims abstract description 31
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 210000001747 pupil Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 28
- 238000010168 coupling process Methods 0.000 description 15
- 238000005859 coupling reaction Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 229910004205 SiNX Inorganic materials 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000005492 condensed matter physics Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
- G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
- G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/203—Filters having holographic or diffractive elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
- G02B2027/0174—Head mounted characterised by optical features holographic
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
| US17/041,308 US12032182B2 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| CA3095242A CA3095242A1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| EP19774459.2A EP3732530B1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| KR1020207023667A KR102733556B1 (ko) | 2018-03-28 | 2019-02-25 | 회절 격자 |
| PCT/FI2019/050149 WO2019185975A1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| CN201980010969.8A CN111670403B (zh) | 2018-03-28 | 2019-02-25 | 衍射光栅 |
| JP2020545653A JP7587821B2 (ja) | 2018-03-28 | 2019-02-25 | 回折格子 |
| SG11202008106PA SG11202008106PA (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20185294A1 FI20185294A1 (en) | 2019-09-29 |
| FI129359B true FI129359B (en) | 2021-12-31 |
Family
ID=68060972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US12032182B2 (OSRAM) |
| EP (1) | EP3732530B1 (OSRAM) |
| JP (1) | JP7587821B2 (OSRAM) |
| KR (1) | KR102733556B1 (OSRAM) |
| CN (1) | CN111670403B (OSRAM) |
| CA (1) | CA3095242A1 (OSRAM) |
| FI (1) | FI129359B (OSRAM) |
| SG (1) | SG11202008106PA (OSRAM) |
| WO (1) | WO2019185975A1 (OSRAM) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
| US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
| US9274349B2 (en) | 2011-04-07 | 2016-03-01 | Digilens Inc. | Laser despeckler based on angular diversity |
| WO2016020630A2 (en) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Waveguide laser illuminator incorporating a despeckler |
| WO2013163347A1 (en) | 2012-04-25 | 2013-10-31 | Rockwell Collins, Inc. | Holographic wide angle display |
| US9933684B2 (en) | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| US10241330B2 (en) | 2014-09-19 | 2019-03-26 | Digilens, Inc. | Method and apparatus for generating input images for holographic waveguide displays |
| EP3245444B1 (en) | 2015-01-12 | 2021-09-08 | DigiLens Inc. | Environmentally isolated waveguide display |
| US9632226B2 (en) | 2015-02-12 | 2017-04-25 | Digilens Inc. | Waveguide grating device |
| CN113759555B (zh) | 2015-10-05 | 2024-09-20 | 迪吉伦斯公司 | 波导显示器 |
| WO2017162999A1 (en) | 2016-03-24 | 2017-09-28 | Popovich Milan Momcilo | Method and apparatus for providing a polarization selective holographic waveguide device |
| EP3548939A4 (en) | 2016-12-02 | 2020-11-25 | DigiLens Inc. | UNIFORM OUTPUT LIGHTING WAVEGUIDE DEVICE |
| WO2018129398A1 (en) | 2017-01-05 | 2018-07-12 | Digilens, Inc. | Wearable heads up displays |
| US10732569B2 (en) | 2018-01-08 | 2020-08-04 | Digilens Inc. | Systems and methods for high-throughput recording of holographic gratings in waveguide cells |
| KR20250004154A (ko) | 2018-01-08 | 2025-01-07 | 디지렌즈 인코포레이티드. | 광 도파관의 제조 방법 |
| US20190212588A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Systems and Methods for Manufacturing Waveguide Cells |
| FI128573B (en) * | 2018-03-28 | 2020-08-14 | Dispelix Oy | Waveguide display element |
| WO2020149956A1 (en) | 2019-01-14 | 2020-07-23 | Digilens Inc. | Holographic waveguide display with light control layer |
| US20200247017A1 (en) | 2019-02-05 | 2020-08-06 | Digilens Inc. | Methods for Compensating for Optical Surface Nonuniformity |
| CN113692544B (zh) | 2019-02-15 | 2025-04-22 | 迪吉伦斯公司 | 使用集成光栅提供全息波导显示的方法和装置 |
| US20220283377A1 (en) | 2019-02-15 | 2022-09-08 | Digilens Inc. | Wide Angle Waveguide Display |
| US20200292745A1 (en) | 2019-03-12 | 2020-09-17 | Digilens Inc. | Holographic Waveguide Backlight and Related Methods of Manufacturing |
| CN114207492A (zh) | 2019-06-07 | 2022-03-18 | 迪吉伦斯公司 | 带透射光栅和反射光栅的波导及其生产方法 |
| KR102775783B1 (ko) | 2019-08-29 | 2025-02-28 | 디지렌즈 인코포레이티드. | 진공 격자 및 이의 제조 방법 |
| WO2022150841A1 (en) * | 2021-01-07 | 2022-07-14 | Digilens Inc. | Grating structures for color waveguides |
| EP4288831A4 (en) | 2021-03-05 | 2025-01-15 | Digilens Inc. | Evacuated periodic structures and methods of manufacturing |
| CN113485063A (zh) * | 2021-06-29 | 2021-10-08 | 歌尔股份有限公司 | 一种光机光路系统及其控制方法 |
| US20230359031A1 (en) * | 2022-05-09 | 2023-11-09 | Visera Technologies Company Limited | Waveguide structure and display device using the same |
| US12118951B2 (en) * | 2022-08-17 | 2024-10-15 | Ii-Vi Delaware, Inc. | Display system with optical device |
| CN119001943A (zh) * | 2024-10-25 | 2024-11-22 | 南方科技大学 | 消色差阵列结构及制备方法、光波导、ar近眼显示系统 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623797A (en) * | 1970-02-06 | 1971-11-30 | Harold Albert Daw | Internally reflecting barrier control filtering apparatus |
| US4729640A (en) * | 1984-10-03 | 1988-03-08 | Canon Kabushiki Kaisha | Liquid crystal light modulation device |
| JPH01205106A (ja) * | 1988-02-10 | 1989-08-17 | Hitachi Ltd | グレーティングレンズ |
| WO2003025633A1 (en) | 2001-09-13 | 2003-03-27 | Asahi Glass Company, Limited | Diffraction device |
| KR20030088217A (ko) | 2002-05-13 | 2003-11-19 | 삼성전자주식회사 | 배율 조정이 가능한 착용형 디스플레이 시스템 |
| JP4266732B2 (ja) | 2002-08-30 | 2009-05-20 | キヤノン株式会社 | 積層型回折光学素子 |
| CN100351927C (zh) | 2003-04-25 | 2007-11-28 | 旭硝子株式会社 | 衍射元件和光学头装置 |
| JP4487699B2 (ja) * | 2004-09-14 | 2010-06-23 | 旭硝子株式会社 | 回折素子および光ピックアップ装置 |
| KR100615257B1 (ko) | 2004-10-05 | 2006-08-25 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시 장치 및 이의 제조 방법 |
| JPWO2007069660A1 (ja) | 2005-12-15 | 2009-05-21 | 旭硝子株式会社 | 波長選択回折素子及び光ヘッド装置 |
| US7714368B2 (en) * | 2006-06-26 | 2010-05-11 | Aptina Imaging Corporation | Method and apparatus providing imager pixel array with grating structure and imager device containing the same |
| JP2008058777A (ja) * | 2006-09-01 | 2008-03-13 | Sony Corp | 光学装置及び画像表示装置 |
| JP2008203821A (ja) | 2007-01-22 | 2008-09-04 | Canon Inc | 積層型回折光学素子 |
| JP5151518B2 (ja) | 2008-02-07 | 2013-02-27 | ソニー株式会社 | 光学装置及び画像表示装置 |
| JP2012243378A (ja) * | 2011-05-24 | 2012-12-10 | Asahi Glass Co Ltd | 光学素子及び光ヘッド装置 |
| EP2855540B1 (en) | 2012-06-05 | 2018-04-04 | Empire Technology Development LLC | Physical colorants for plastics based on the christiansen effect |
| JP5496258B2 (ja) * | 2012-06-11 | 2014-05-21 | キヤノン株式会社 | 積層型回折光学素子および光学系 |
| US9933684B2 (en) | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| JP2014224846A (ja) | 2013-05-15 | 2014-12-04 | セイコーエプソン株式会社 | 表示装置 |
| JP6187045B2 (ja) * | 2013-08-30 | 2017-08-30 | セイコーエプソン株式会社 | 光学デバイス及び画像表示装置 |
| US10677969B2 (en) * | 2013-11-27 | 2020-06-09 | Magic Leap, Inc. | Manufacturing for virtual and augmented reality systems and components |
| EP4431998A3 (en) * | 2015-06-15 | 2024-12-18 | Magic Leap, Inc. | Virtual and augmented reality systems and methods |
| CN113759555B (zh) * | 2015-10-05 | 2024-09-20 | 迪吉伦斯公司 | 波导显示器 |
| DE102015122055B4 (de) * | 2015-12-17 | 2018-08-30 | Carl Zeiss Ag | Optisches System sowie Verfahren zum Übertragen eines Quellbildes |
| US9904058B2 (en) | 2016-05-12 | 2018-02-27 | Magic Leap, Inc. | Distributed light manipulation over imaging waveguide |
| CN107632406A (zh) | 2016-07-18 | 2018-01-26 | 北京灵犀微光科技有限公司 | 全息波导、增强现实显示系统及显示方法 |
-
2018
- 2018-03-28 FI FI20185294A patent/FI129359B/en active IP Right Grant
-
2019
- 2019-02-25 SG SG11202008106PA patent/SG11202008106PA/en unknown
- 2019-02-25 EP EP19774459.2A patent/EP3732530B1/en active Active
- 2019-02-25 CA CA3095242A patent/CA3095242A1/en active Pending
- 2019-02-25 WO PCT/FI2019/050149 patent/WO2019185975A1/en not_active Ceased
- 2019-02-25 US US17/041,308 patent/US12032182B2/en active Active
- 2019-02-25 KR KR1020207023667A patent/KR102733556B1/ko active Active
- 2019-02-25 CN CN201980010969.8A patent/CN111670403B/zh active Active
- 2019-02-25 JP JP2020545653A patent/JP7587821B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3732530C0 (en) | 2023-07-26 |
| WO2019185975A1 (en) | 2019-10-03 |
| CN111670403B (zh) | 2022-04-08 |
| SG11202008106PA (en) | 2020-09-29 |
| EP3732530A4 (en) | 2021-09-15 |
| CA3095242A1 (en) | 2019-10-03 |
| FI20185294A1 (en) | 2019-09-29 |
| JP7587821B2 (ja) | 2024-11-21 |
| KR102733556B1 (ko) | 2024-11-26 |
| US12032182B2 (en) | 2024-07-09 |
| CN111670403A (zh) | 2020-09-15 |
| EP3732530A1 (en) | 2020-11-04 |
| JP2021516779A (ja) | 2021-07-08 |
| US20210080628A1 (en) | 2021-03-18 |
| EP3732530B1 (en) | 2023-07-26 |
| KR20200136887A (ko) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12032182B2 (en) | Diffractive grating | |
| JP7840381B2 (ja) | 低減された偏光感度を有する回折格子を伴うディスプレイデバイス | |
| CN111656253B (zh) | 用于显示应用的波导元件和波导叠置件 | |
| US12158612B2 (en) | Evacuated periodic structures and methods of manufacturing | |
| US11846777B2 (en) | Interference-free waveguide display | |
| WO2019136166A1 (en) | Angle-dependent or polarization-dependent metasurfaces with wide field of view | |
| EP3729178B1 (en) | Waveguide display element | |
| JP2021516779A5 (OSRAM) | ||
| CN115398284B (zh) | 非偏振光光栅入耦合器 | |
| CN117222936A (zh) | 导光元件以及使用该导光元件的显示装置 | |
| US20250012961A1 (en) | Patterned thin films as anti-reflection coatings for augmented reality waveguide combiners | |
| CA3095249C (en) | Waveguide display element | |
| JP2026515472A (ja) | 拡張現実導波路コンバイナのための反射防止コーティングとしてのパターニングされた薄膜 | |
| KR20260008845A (ko) | 디스플레이 패널을 위한 도파관 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 129359 Country of ref document: FI Kind code of ref document: B |